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Product Detailed Parameters
- Description：8.48 MHz XO 1.8V 2.0X1.6 MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：8.48 MHz
- Function：Enable/Disable
- Output：LVCMOS
- Voltage - Supply：1.8V
- Frequency Stability：±50ppm
- Absolute Pull Range (APR)：-
- Operating Temperature：-40°C ~ 85°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：21mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.079" L x 0.063" W (2.00mm x 1.60mm)
- Height - Seated (Max)：0.031" (0.80mm)
- Supplier Device Package：-
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Overview
The 18QHTF21-8.480-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 8.48 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable and disable control capability
- Surface-mount 4-SMD no lead package design
Applications
- General purpose clock signal generation
- Digital circuit timing reference
- Embedded system clock sources
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no lead package footprint matches your PCB layout specifications to guarantee proper soldering and mechanical stability during assembly.
Selection Notes
Select this component when a low-voltage LVCMOS clock source is required for space-constrained designs. The enable/disable feature allows for dynamic power control, making it suitable for battery-operated or energy-efficient systems. Consider the operating temperature range and stability requirements to ensure reliable performance under your specific environmental conditions.
Part Context
Mercury Electronics Ind. Co. Ltd is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals, oscillators, and filters. The 18QHTF21 series represents their line of surface-mount crystal oscillators designed for modern electronic applications requiring compact size and reliable timing performance.
Replacement Considerations
Check for direct substitutes within the same series, such as 18QHTF21-96.768-OE or 18QHTF21-8.300-OE, which share similar packaging and electrical characteristics but differ in frequency. Ensure any replacement maintains the 1.8V supply requirement and LVCMOS output type.
